散射波
- 网络scattered wave;Scattering Wave
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对散射波地震方法研究和应用现状进行了评述,指出散射波资料采集和成像技术是目前散射波地震方法技术研究的主要内容,总结了散射波资料采集的要求和处理难点。
Studies and applications of scattered wave method were summarized . Acquisition and imaging techniques are the key contents in research on scattered wave seismic . Requirements and difficulties in scattered wave data acquisition and processing were presented .
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利用Hankel函数在宗量充分大时的渐近表达式,可以得到该问题的散射波远场位移模式和散射截面,分析了不同参数对远场解的影响结果。
Based on the progressive expression of the Hankel function with the large enough independent variable , The displacement mode of scattered wave at far field and scattering cross-section are given .
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本文叙述了Xα-散射波方法的发展和基本理论,并介绍了计算中使用的Xα-重叠球和电荷分割方法的原理。
The development and the basic theory of the Xa-multiple-scattering-wave method are described .
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SAR二维余弦调相转发散射波干扰原理
The Theory of 2-D Cosinusoidal Phase-Modulated Repeater Scatter-Wave Jamming to SAR
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SAR散射波干扰实现方法的研究
Method of Implementing Scatter - wave Jamming Signal to SAR
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SAR欺骗干扰与散射波干扰信号生成
Generation of Deceive Jamming and Scatter-Wave Jamming Signal to SAR
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本文用多重散射波xa方法计算了含氧小镍原子簇的电子结构。
The electronic structure of small nickel cluster containing impurity oxygen was calculated by using of the SCF-Xa-SW method .
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分别针对星载SAR和机载SAR进行了散射波干扰仿真实验,给出了仿真结果。
Furthermore , the simulations of SWJ to spaceborne SAR and airborne SAR are executed , and results are given .
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导出了电磁波在亚柱状晶粒中散射波强度与介质电磁参数(εr、μr)所满足的关系。
The relation of scattering waves strength through the subcylindrical particles to electromagnetic parameter (ε r ,μ r ) of media was worked out .
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接着利用所得的数据尝试了对散射波解卷积,然后AR建模提取和估计共振谱的算法实验。
Besides these , another means including deconvolution and AR model spectrum estimation is attempted to estimate the resonance scattering .
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本文针对合成孔径雷达(SAR)的特性,提出一种全新的有源干扰方式:散射波干扰。
A new electronic countermeasure method to synthetic aperture radar ( SAR ), which is called scatter-wave jamming ( SWJ ) , is discussed in this paper .
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应用ROOT-MUSIC算法来接收雷达目标的散射波,分析目标的方向,效果明显;
Application the ROOT-MUSIC to the low RCS Radar wave results in efficient performance .
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充水圆柱壳散射波的Sommerfeld-Watson变换分析
Analysis of scattering wave from a water-filled cylindrical shell using Sommerfeld-Watson transformation
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该方法使用了Higdon吸收边界条件解决人工边界反射问题,引入了新的稳定性条件和网格频散条件,很好地消除了非物理散射波。
The Higdon 's absorbing boundary condition is adopted to eliminate boundary reflections .
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首先给出目标散射波和随机极化波瞬态Stokes子矢量序列(ISVS)的表征方法和匹配距离的概念,而后提出了一种雷达目标散射信号Stokes子矢量的估计方法。
Firstly , the descriptions of instantaneous Stokes sub-vector sequences ( ISVS ) of radar echo and random polarization wave are presented . Then an estimation method of Stokes sub-vector is derived .
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研究表明,基于等效偏移距的偏移方法(EOM)在速度分析和偏移成像方面具有独特的优势,为散射波成像方法研究提供了思路。
Equivalent offset migration ( EOM ) method , which has particular advantages in velocity analysis and imaging , provides ideas for scattered wave imaging .
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通过直接解时域的Maxell方程,FDTD能够完全计算所有反射、衍射和散射波所造成的影响。
By directly solving Maxwell 's equations in the time domain , FDTD method fully accounts for the effects of reflection , diffraction , and radiation .
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这种处理方法是以PML吸收边界和透明的激励为基础的,PML边界条件使外行波无反射地经过边界,而透明的电流激励源使散射波透明地通过激励平面。
So there is no need to divide the field zone and set up the boundary connection condition at the excitation plane . This formulation is based on PML absorbing boundary condition and transparent current source .
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文章主要研究了小尺度衰落信道特性,提出了基于散射波的Clarke模型,用Matlab对经典小尺度衰落的Clarke模型进行了计算机仿真,用于指导对无线通信系统的设计和优化。
This paper mainly studies the characteristics of small-scale attenuation channel and puts forward the Clarke model based on scattering wave . With Matlab , Clarke model , the classical small-scale attenuation model , is simulated so as to guide the design and optimization of wireless communication system .
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负跃层浅海声传播的一个新现象&远程传播中的海底散射波
Sea-bottom scattering waves in sound propagation at shallow water with a thermocline
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地震散射波场特征的数值模拟研究
A Study on Seismic Scattered Wave Characteristics by Numerical Simulating
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二阶散射波的渐近解、辐射条件与能量特性
Asymptotic expansion , radiation condition and energy characters of second-order scattering wave
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缩比模型试验中弹性散射波的相似性分析
Similarity Study of Elastic Scattering Waves in Scaling Model Experiment
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为什么入射波和散射波间的干涉不能忽略
Why the interference between the incident and scattered waves can not be ignored
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粗晶材料晶粒散射波的实验鉴别
Experimental identification of the scattered wave in coarse-grained material
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从散射波函数方法中导出的非平衡格林函数公式
An explicit derivation of non-equilibrium Green function formula from scattering wave function approach
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受激布里渊后向散射波的位相复共轭特性
Phase conjugation characteristics of backward stimulated Brillouin scattering waves
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此外论文还对这些散射波能量作了比较,并分析了影响地震散射波能量的因素。
The factors to affect the energy of the scattered wave are analyzed .
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用回波重建法分离软组织的超声反射波与散射波
Separation of soft tissue reflected and scattered ultrasonic waves by echo reconstruction method
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求取二重逆散射波函数的一般方法
General method of obtaining double inverse scattering wave function